Abstract: A method (preferably, performed by an authentication server) of authenticating a request made by a first party of a second party, comprising: receiving from the first party a request and a first symbol string obtained by the first party from the second party, the first symbol string being determined from the request; generating a second symbol string in dependence on the request; authenticating the request of the first party in dependence on the first and second symbol strings.

Abstract: A stabilization apparatus for ship movements has adjustable stabilizers, drive devices by means of which the position of the stabilizers can be adjusted, a control device by means of which control signals corresponding to the required positions of the respective stabilizers can be produced and can be applied to the respective drive device a measurement device by means of which the rolling movements of a ship can be detected and measurement signals corresponding to the detected rolling movements can be produced and can be applied to the control device. In order to provide optimum stabilization.